Evaluate
2\sqrt{1565}\approx 79.120161779
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2\sqrt{1565}
Factor 6260=2^{2}\times 1565. Rewrite the square root of the product \sqrt{2^{2}\times 1565} as the product of square roots \sqrt{2^{2}}\sqrt{1565}. Take the square root of 2^{2}.
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